UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000044704 |
|---|---|
| Receipt number | R000051045 |
| Scientific Title | The effect of memory retrieval on decision-making in healthy subjects |
| Date of disclosure of the study information | 2021/06/29 |
| Last modified on | 2023/07/04 09:07:58 |
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Basic information
Public title
The effect of memory retrieval on decision-making in healthy subjects
Acronym
The effect of memory retrieval on decision-making in healthy subjects
Scientific Title
The effect of memory retrieval on decision-making in healthy subjects
Scientific Title:Acronym
The effect of memory retrieval on decision-making in healthy subjects
Region
| Japan |
Condition
Condition
Depression
Classification by specialty
| Adult |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
To investigate the effect of positive autobiographical memory retrieval on decision-making in healthy subjects
Basic objectives2
Others
Basic objectives -Others
To investigate whether the above effect depends on personal characteristics of the subjects
Trial characteristics_1
Exploratory
Trial characteristics_2
Pragmatic
Developmental phase
Not applicable
Assessment
Primary outcomes
1) Decision-making task performance
2) Behavioral parameters estimated using behavioral modeling (such as risk preference)
Key secondary outcomes
1) The change of mood caused by memory retrieval
2) Whether the effect of memory retrieval on decision making depends on mood change
3) Whether the effect of memory retrieval on decision making depends on subjects' personal characteristics
4) Relationships among other personal characteristics
Base
Study type
Interventional
Study design
Basic design
Cross-over
Randomization
Randomized
Randomization unit
Individual
Blinding
Single blind -investigator(s) and assessor(s) are blinded
Control
Placebo
Stratification
NO
Dynamic allocation
NO
Institution consideration
Institution is not considered as adjustment factor.
Blocking
YES
Concealment
Central registration
Intervention
No. of arms
2
Purpose of intervention
Treatment
Type of intervention
| Behavior,custom |
Interventions/Control_1
Positive autobiographical memory retrieval. Using 20 positive memories selected based on an autobiographical memory questionnaire administered on a separate day beforehand. The cues of the memories are presented to the subjects and they are asked to recall the corresponding memory vividly, after which they assess the valence and emotional intensity of the memory, as well as how they feel after recalling that memory.
Interventions/Control_2
Control intervention: neutral autobiographical memory retrieval. Using 20 neutral memories selected from the above memory questionnaire.
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10
Eligibility
Age-lower limit
| 20 | years-old | <= |
Age-upper limit
| 29 | years-old | >= |
Gender
Male and Female
Key inclusion criteria
1) Age is 20 to 29 at the time of obtaining consent.
2) Regardless of gender.
3) A person who, after receiving a sufficient explanation before participating in this research, has a sufficient understanding and provided informed consent.
Key exclusion criteria
1) Those who are currently suffering from a memory impairment or are currently undergoing medical examination (including those who are scheduled to undergo medical examination) in order to confirm if they have memory impairment, by self-declaration.
2) Those who are currently suffering from a mental illness or are currently undergoing medical examination (including those who are scheduled to undergo medical examination), by self-declaration.
3) Those who cannot recall at least 20 positive and 20 negative autobiographical memories in response to the autobiographical memory questionnaire.
4) Those who are judged to be unsuitable as research subjects by the researcher in charge of the experimental sessions (for example, subjects who cannot conduct the decision-making task smoothly due to physical conditions).
Target sample size
34
Research contact person
Name of lead principal investigator
| 1st name | Shin |
| Middle name | |
| Last name | Nakagawa |
Organization
Yamaguchi University Graduate School of Medicine
Division name
Division of Neuropsychiatry, Department of Neuroscience
Zip code
7558505
Address
Minamikogushi 1-1-1, Ube, Yamaguchi, Japan
TEL
0836222255
brain@yamaguchi-u.ac.jp
Public contact
Name of contact person
| 1st name | Chong |
| Middle name | |
| Last name | Chen |
Organization
Yamaguchi University Graduate School of Medicine
Division name
Division of Neuropsychiatry, Department of Neuroscience
Zip code
7558505
Address
Minamikogushi 1-1-1, Ube, Yamaguchi, Japan
TEL
7558505
Homepage URL
brain@yamaguchi-u.ac.jp
Sponsor or person
Institute
Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine
Institute
Department
Personal name
Funding Source
Organization
None
Organization
Division
Category of Funding Organization
Self funding
Nationality of Funding Organization
Other related organizations
Co-sponsor
Name of secondary funder(s)
IRB Contact (For public release)
Organization
Institutional Review Board Committee in Yamaguchi University Hospital
Address
Minamikogushi 1-1-1, Ube, Yamaguchi, Japan
Tel
0836222428
clin_res@yamaguchi-u.ac.jp
Secondary IDs
Secondary IDs
NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW
Institutions
Institutions
Other administrative information
Date of disclosure of the study information
| 2021 | Year | 06 | Month | 29 | Day |
Related information
URL releasing protocol
Publication of results
Unpublished
Result
URL related to results and publications
Number of participants that the trial has enrolled
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description
Progress
Recruitment status
Main results already published
Date of protocol fixation
| 2021 | Year | 06 | Month | 28 | Day |
Date of IRB
| 2021 | Year | 06 | Month | 29 | Day |
Anticipated trial start date
| 2021 | Year | 07 | Month | 05 | Day |
Last follow-up date
| 2023 | Year | 03 | Month | 31 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
Management information
Registered date
| 2021 | Year | 06 | Month | 29 | Day |
Last modified on
| 2023 | Year | 07 | Month | 04 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000051045
